Plan to be outside in the early morning or late afternoon, outside of the sun's peak UV hours.

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Stay in the shade and out of the hot sun between the peak UV hours of 11 a.m. and 4 p.m.

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If you are in the sun between peak UV hours, wear long pants, long sleeves and a hat with a wide brim to protect your skin.

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Wear sunglasses that block out 99% to 100% of UV radiation. Make sure they block out both UVA and UVB rays.

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Use a sunscreen that is water-resistant with broad-spectrum protection and an SPF of at least 15.

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Apply sunscreen 20 minutes before you go out and reapply 20 minutes after being out in the sun to ensure even application of the product and better protection. Don't forget your lips, ears and nose – they burn easily.

Photograph by Joe Raedle

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Sunscreen can wash off while swimming or exercising. Make sure to reapply after you get wet or if you are sweating.